Water treatment three musketeers: reverse osmosis membrane, ultrafiltration membrane, nanofiltration membrane

Reverse osmosis membrane, ultrafiltration membrane, nanofiltration membrane is a common membrane water treatment equipment, reverse osmosis membrane, ultrafiltration membrane, nanofiltration membrane have to differ? Here introduce to you one by one, I hope it can help you.

microfiltration membrane: can intercept 0. 1 - Between 1 micron particles. Microfiltration membrane allow large molecules and soluble solids ( Inorganic salt) Such as through, but will intercept live colloid substances such as suspended solids, bacteria, and a large molecular weight. The operation of the microfiltration membrane pressure generally is 0. 7 - 7bar。

: ultrafiltration membrane can intercept 0. 002 - 0. 1 micron between macromolecular material and proteins. Ultrafiltration membranes allow small molecules and soluble solids ( Inorganic salt) Through such as, at the same time will intercept the colloid, proteins, macromolecular organic matter, microorganism and ultrafiltration membrane aperture is used to represent the size of the cut is in commonly 1000 - molecular weight range 500000. The operation of the ultrafiltration membrane pressure 1 - in general 7bar。

nanofiltration membranes: can intercept nanoscale ( 0. 001 microns) The material. Nanofiltration membrane operation interval between ultrafiltration and reverse osmosis, the intercept molecular weight is about 200 - organic matter About 800 mw, the ability to intercept dissolved salts is 20% 98%, soluble removal rate is lower than the high price of monovalent ions, nanofiltration is generally used to remove the organic matter and pigments in the surface water, groundwater hardness and radium, and partial removal of dissolved salts, the extraction of useful substances in food and medicine production and enrichment. The operation of the nanofiltration membrane pressure usually 3. 5 - 30bar。

: reverse osmosis membrane is one of the most delicate membrane separation products, it can effectively intercept all dissolved salts and organic molecular weight greater than 100, while at the same time allowing water molecules to pass. Reverse osmosis membrane is widely used boiler make-up water, seawater and brackish water desalination, industrial pure water and electronic grade high pure water equipment, water purification, wastewater treatment and other special separation process. The operation of the reverse osmosis membrane pressure generally between the brackish water of 12 bar to 70 bar of sea water.

our company is the water treatment equipment manufacturer, specializing in the production of reverse osmosis system, ultrafiltration systems, nanofiltration system in design and operation of pure water and sewage is successful.